Febrita E. Analysis of Concentration of Heavy Metal (Pb) and Cadmium (Cd) In Waterfish (Eichhornia crassipes) in Indragiri River, Riau. Int J Ecophysiol [Internet]. 2020May19 [cited 2024May3];2(1):24-33. Available from: https://talenta.usu.ac.id/ijoep/article/view/3985